1949 Olympia earthquake

From Infogalactic: the planetary knowledge core
Jump to: navigation, search
1949 Olympia earthquake
1949 Olympia earthquake is located in Washington (state)
1949 Olympia earthquake
Date April 13, 1949 (1949-04-13)
Origin time 19:55:44 UTC [1]
Duration ~ 20 s [2]
Magnitude 6.7 Mw [1]
Depth 50 km (31 mi) [1]
Epicenter Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found. [1]
Areas affected Puget Sound region
United States
Total damage $25 million [3]
Max. intensity VIII (Severe) [3]
Peak acceleration .25g [2]
Casualties 8 killed [3]
Many injured [3]

The 1949 Olympia earthquake occurred on April 13 at 12:55:44 local time with a moment magnitude of 6.7 and a maximum Mercalli Intensity of VIII (Severe). The shock was located in the area between Olympia and Tacoma, and was felt throughout the state, as well as parts of Oregon, British Columbia, Idaho, and Montana. It is the largest recorded earthquake to occur in the Puget Sound region of Washington. Eight people were killed and many were injured.

See also


  1. 1.0 1.1 1.2 1.3 ISC (2014), ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009), Version 1.05, International Seismological Centre<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. 2.0 2.1 Baker, G. E.; Langston, C. A. (1987), "Source parameters of the 1949 magnitude 7.1 south Puget Sound, Washington, earthquake as determined from long-period body waves and strong ground motions", Bulletin of the Seismological Society of America, Seismological Society of America, 77 (5): 1546<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. 3.0 3.1 3.2 3.3 Stover, C. W.; Coffman, J. L. (1993), Seismicity of the United States, 1568-1989 (Revised), U.S. Geological Survey Professional Paper 1527, United States Government Printing Office, pp. 380, 385, 386<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links